1 /*
2  * Copyright (C) 2008 Nokia Corporation
3  * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
4  *
5  * This program is free software; you can redistribute it and/or modify it
6  * under the terms of the GNU General Public License version 2 as published by
7  * the Free Software Foundation.
8  *
9  * This program is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
12  * more details.
13  *
14  * You should have received a copy of the GNU General Public License along with
15  * this program.  If not, see <http://www.gnu.org/licenses/>.
16  */
17 
18 #ifndef __OMAP_OMAPDSS_H
19 #define __OMAP_OMAPDSS_H
20 
21 #include <linux/list.h>
22 #include <linux/kobject.h>
23 #include <linux/device.h>
24 #include <linux/interrupt.h>
25 
26 #include <video/videomode.h>
27 
28 #define DISPC_IRQ_FRAMEDONE		(1 << 0)
29 #define DISPC_IRQ_VSYNC			(1 << 1)
30 #define DISPC_IRQ_EVSYNC_EVEN		(1 << 2)
31 #define DISPC_IRQ_EVSYNC_ODD		(1 << 3)
32 #define DISPC_IRQ_ACBIAS_COUNT_STAT	(1 << 4)
33 #define DISPC_IRQ_PROG_LINE_NUM		(1 << 5)
34 #define DISPC_IRQ_GFX_FIFO_UNDERFLOW	(1 << 6)
35 #define DISPC_IRQ_GFX_END_WIN		(1 << 7)
36 #define DISPC_IRQ_PAL_GAMMA_MASK	(1 << 8)
37 #define DISPC_IRQ_OCP_ERR		(1 << 9)
38 #define DISPC_IRQ_VID1_FIFO_UNDERFLOW	(1 << 10)
39 #define DISPC_IRQ_VID1_END_WIN		(1 << 11)
40 #define DISPC_IRQ_VID2_FIFO_UNDERFLOW	(1 << 12)
41 #define DISPC_IRQ_VID2_END_WIN		(1 << 13)
42 #define DISPC_IRQ_SYNC_LOST		(1 << 14)
43 #define DISPC_IRQ_SYNC_LOST_DIGIT	(1 << 15)
44 #define DISPC_IRQ_WAKEUP		(1 << 16)
45 #define DISPC_IRQ_SYNC_LOST2		(1 << 17)
46 #define DISPC_IRQ_VSYNC2		(1 << 18)
47 #define DISPC_IRQ_VID3_END_WIN		(1 << 19)
48 #define DISPC_IRQ_VID3_FIFO_UNDERFLOW	(1 << 20)
49 #define DISPC_IRQ_ACBIAS_COUNT_STAT2	(1 << 21)
50 #define DISPC_IRQ_FRAMEDONE2		(1 << 22)
51 #define DISPC_IRQ_FRAMEDONEWB		(1 << 23)
52 #define DISPC_IRQ_FRAMEDONETV		(1 << 24)
53 #define DISPC_IRQ_WBBUFFEROVERFLOW	(1 << 25)
54 #define DISPC_IRQ_SYNC_LOST3		(1 << 27)
55 #define DISPC_IRQ_VSYNC3		(1 << 28)
56 #define DISPC_IRQ_ACBIAS_COUNT_STAT3	(1 << 29)
57 #define DISPC_IRQ_FRAMEDONE3		(1 << 30)
58 
59 struct omap_dss_device;
60 struct omap_overlay_manager;
61 struct dss_lcd_mgr_config;
62 struct snd_aes_iec958;
63 struct snd_cea_861_aud_if;
64 struct hdmi_avi_infoframe;
65 
66 enum omap_display_type {
67 	OMAP_DISPLAY_TYPE_NONE		= 0,
68 	OMAP_DISPLAY_TYPE_DPI		= 1 << 0,
69 	OMAP_DISPLAY_TYPE_DBI		= 1 << 1,
70 	OMAP_DISPLAY_TYPE_SDI		= 1 << 2,
71 	OMAP_DISPLAY_TYPE_DSI		= 1 << 3,
72 	OMAP_DISPLAY_TYPE_VENC		= 1 << 4,
73 	OMAP_DISPLAY_TYPE_HDMI		= 1 << 5,
74 	OMAP_DISPLAY_TYPE_DVI		= 1 << 6,
75 };
76 
77 enum omap_plane {
78 	OMAP_DSS_GFX	= 0,
79 	OMAP_DSS_VIDEO1	= 1,
80 	OMAP_DSS_VIDEO2	= 2,
81 	OMAP_DSS_VIDEO3	= 3,
82 	OMAP_DSS_WB	= 4,
83 };
84 
85 enum omap_channel {
86 	OMAP_DSS_CHANNEL_LCD	= 0,
87 	OMAP_DSS_CHANNEL_DIGIT	= 1,
88 	OMAP_DSS_CHANNEL_LCD2	= 2,
89 	OMAP_DSS_CHANNEL_LCD3	= 3,
90 };
91 
92 enum omap_color_mode {
93 	OMAP_DSS_COLOR_CLUT1	= 1 << 0,  /* BITMAP 1 */
94 	OMAP_DSS_COLOR_CLUT2	= 1 << 1,  /* BITMAP 2 */
95 	OMAP_DSS_COLOR_CLUT4	= 1 << 2,  /* BITMAP 4 */
96 	OMAP_DSS_COLOR_CLUT8	= 1 << 3,  /* BITMAP 8 */
97 	OMAP_DSS_COLOR_RGB12U	= 1 << 4,  /* RGB12, 16-bit container */
98 	OMAP_DSS_COLOR_ARGB16	= 1 << 5,  /* ARGB16 */
99 	OMAP_DSS_COLOR_RGB16	= 1 << 6,  /* RGB16 */
100 	OMAP_DSS_COLOR_RGB24U	= 1 << 7,  /* RGB24, 32-bit container */
101 	OMAP_DSS_COLOR_RGB24P	= 1 << 8,  /* RGB24, 24-bit container */
102 	OMAP_DSS_COLOR_YUV2	= 1 << 9,  /* YUV2 4:2:2 co-sited */
103 	OMAP_DSS_COLOR_UYVY	= 1 << 10, /* UYVY 4:2:2 co-sited */
104 	OMAP_DSS_COLOR_ARGB32	= 1 << 11, /* ARGB32 */
105 	OMAP_DSS_COLOR_RGBA32	= 1 << 12, /* RGBA32 */
106 	OMAP_DSS_COLOR_RGBX32	= 1 << 13, /* RGBx32 */
107 	OMAP_DSS_COLOR_NV12		= 1 << 14, /* NV12 format: YUV 4:2:0 */
108 	OMAP_DSS_COLOR_RGBA16		= 1 << 15, /* RGBA16 - 4444 */
109 	OMAP_DSS_COLOR_RGBX16		= 1 << 16, /* RGBx16 - 4444 */
110 	OMAP_DSS_COLOR_ARGB16_1555	= 1 << 17, /* ARGB16 - 1555 */
111 	OMAP_DSS_COLOR_XRGB16_1555	= 1 << 18, /* xRGB16 - 1555 */
112 };
113 
114 enum omap_dss_load_mode {
115 	OMAP_DSS_LOAD_CLUT_AND_FRAME	= 0,
116 	OMAP_DSS_LOAD_CLUT_ONLY		= 1,
117 	OMAP_DSS_LOAD_FRAME_ONLY	= 2,
118 	OMAP_DSS_LOAD_CLUT_ONCE_FRAME	= 3,
119 };
120 
121 enum omap_dss_trans_key_type {
122 	OMAP_DSS_COLOR_KEY_GFX_DST = 0,
123 	OMAP_DSS_COLOR_KEY_VID_SRC = 1,
124 };
125 
126 enum omap_rfbi_te_mode {
127 	OMAP_DSS_RFBI_TE_MODE_1 = 1,
128 	OMAP_DSS_RFBI_TE_MODE_2 = 2,
129 };
130 
131 enum omap_dss_signal_level {
132 	OMAPDSS_SIG_ACTIVE_LOW,
133 	OMAPDSS_SIG_ACTIVE_HIGH,
134 };
135 
136 enum omap_dss_signal_edge {
137 	OMAPDSS_DRIVE_SIG_FALLING_EDGE,
138 	OMAPDSS_DRIVE_SIG_RISING_EDGE,
139 };
140 
141 enum omap_dss_venc_type {
142 	OMAP_DSS_VENC_TYPE_COMPOSITE,
143 	OMAP_DSS_VENC_TYPE_SVIDEO,
144 };
145 
146 enum omap_dss_dsi_pixel_format {
147 	OMAP_DSS_DSI_FMT_RGB888,
148 	OMAP_DSS_DSI_FMT_RGB666,
149 	OMAP_DSS_DSI_FMT_RGB666_PACKED,
150 	OMAP_DSS_DSI_FMT_RGB565,
151 };
152 
153 enum omap_dss_dsi_mode {
154 	OMAP_DSS_DSI_CMD_MODE = 0,
155 	OMAP_DSS_DSI_VIDEO_MODE,
156 };
157 
158 enum omap_display_caps {
159 	OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE	= 1 << 0,
160 	OMAP_DSS_DISPLAY_CAP_TEAR_ELIM		= 1 << 1,
161 };
162 
163 enum omap_dss_display_state {
164 	OMAP_DSS_DISPLAY_DISABLED = 0,
165 	OMAP_DSS_DISPLAY_ACTIVE,
166 };
167 
168 struct omap_dss_audio {
169 	struct snd_aes_iec958 *iec;
170 	struct snd_cea_861_aud_if *cea;
171 };
172 
173 enum omap_dss_rotation_type {
174 	OMAP_DSS_ROT_DMA	= 1 << 0,
175 	OMAP_DSS_ROT_VRFB	= 1 << 1,
176 	OMAP_DSS_ROT_TILER	= 1 << 2,
177 };
178 
179 /* clockwise rotation angle */
180 enum omap_dss_rotation_angle {
181 	OMAP_DSS_ROT_0   = 0,
182 	OMAP_DSS_ROT_90  = 1,
183 	OMAP_DSS_ROT_180 = 2,
184 	OMAP_DSS_ROT_270 = 3,
185 };
186 
187 enum omap_overlay_caps {
188 	OMAP_DSS_OVL_CAP_SCALE = 1 << 0,
189 	OMAP_DSS_OVL_CAP_GLOBAL_ALPHA = 1 << 1,
190 	OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA = 1 << 2,
191 	OMAP_DSS_OVL_CAP_ZORDER = 1 << 3,
192 	OMAP_DSS_OVL_CAP_POS = 1 << 4,
193 	OMAP_DSS_OVL_CAP_REPLICATION = 1 << 5,
194 };
195 
196 enum omap_overlay_manager_caps {
197 	OMAP_DSS_DUMMY_VALUE, /* add a dummy value to prevent compiler error */
198 };
199 
200 enum omap_dss_clk_source {
201 	OMAP_DSS_CLK_SRC_FCK = 0,		/* OMAP2/3: DSS1_ALWON_FCLK
202 						 * OMAP4: DSS_FCLK */
203 	OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC,	/* OMAP3: DSI1_PLL_FCLK
204 						 * OMAP4: PLL1_CLK1 */
205 	OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI,	/* OMAP3: DSI2_PLL_FCLK
206 						 * OMAP4: PLL1_CLK2 */
207 	OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC,	/* OMAP4: PLL2_CLK1 */
208 	OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DSI,	/* OMAP4: PLL2_CLK2 */
209 };
210 
211 enum omap_hdmi_flags {
212 	OMAP_HDMI_SDA_SCL_EXTERNAL_PULLUP = 1 << 0,
213 };
214 
215 enum omap_dss_output_id {
216 	OMAP_DSS_OUTPUT_DPI	= 1 << 0,
217 	OMAP_DSS_OUTPUT_DBI	= 1 << 1,
218 	OMAP_DSS_OUTPUT_SDI	= 1 << 2,
219 	OMAP_DSS_OUTPUT_DSI1	= 1 << 3,
220 	OMAP_DSS_OUTPUT_DSI2	= 1 << 4,
221 	OMAP_DSS_OUTPUT_VENC	= 1 << 5,
222 	OMAP_DSS_OUTPUT_HDMI	= 1 << 6,
223 };
224 
225 /* RFBI */
226 
227 struct rfbi_timings {
228 	int cs_on_time;
229 	int cs_off_time;
230 	int we_on_time;
231 	int we_off_time;
232 	int re_on_time;
233 	int re_off_time;
234 	int we_cycle_time;
235 	int re_cycle_time;
236 	int cs_pulse_width;
237 	int access_time;
238 
239 	int clk_div;
240 
241 	u32 tim[5];             /* set by rfbi_convert_timings() */
242 
243 	int converted;
244 };
245 
246 /* DSI */
247 
248 enum omap_dss_dsi_trans_mode {
249 	/* Sync Pulses: both sync start and end packets sent */
250 	OMAP_DSS_DSI_PULSE_MODE,
251 	/* Sync Events: only sync start packets sent */
252 	OMAP_DSS_DSI_EVENT_MODE,
253 	/* Burst: only sync start packets sent, pixels are time compressed */
254 	OMAP_DSS_DSI_BURST_MODE,
255 };
256 
257 struct omap_dss_dsi_videomode_timings {
258 	unsigned long hsclk;
259 
260 	unsigned ndl;
261 	unsigned bitspp;
262 
263 	/* pixels */
264 	u16 hact;
265 	/* lines */
266 	u16 vact;
267 
268 	/* DSI video mode blanking data */
269 	/* Unit: byte clock cycles */
270 	u16 hss;
271 	u16 hsa;
272 	u16 hse;
273 	u16 hfp;
274 	u16 hbp;
275 	/* Unit: line clocks */
276 	u16 vsa;
277 	u16 vfp;
278 	u16 vbp;
279 
280 	/* DSI blanking modes */
281 	int blanking_mode;
282 	int hsa_blanking_mode;
283 	int hbp_blanking_mode;
284 	int hfp_blanking_mode;
285 
286 	enum omap_dss_dsi_trans_mode trans_mode;
287 
288 	bool ddr_clk_always_on;
289 	int window_sync;
290 };
291 
292 struct omap_dss_dsi_config {
293 	enum omap_dss_dsi_mode mode;
294 	enum omap_dss_dsi_pixel_format pixel_format;
295 	const struct omap_video_timings *timings;
296 
297 	unsigned long hs_clk_min, hs_clk_max;
298 	unsigned long lp_clk_min, lp_clk_max;
299 
300 	bool ddr_clk_always_on;
301 	enum omap_dss_dsi_trans_mode trans_mode;
302 };
303 
304 enum omapdss_version {
305 	OMAPDSS_VER_UNKNOWN = 0,
306 	OMAPDSS_VER_OMAP24xx,
307 	OMAPDSS_VER_OMAP34xx_ES1,	/* OMAP3430 ES1.0, 2.0 */
308 	OMAPDSS_VER_OMAP34xx_ES3,	/* OMAP3430 ES3.0+ */
309 	OMAPDSS_VER_OMAP3630,
310 	OMAPDSS_VER_AM35xx,
311 	OMAPDSS_VER_OMAP4430_ES1,	/* OMAP4430 ES1.0 */
312 	OMAPDSS_VER_OMAP4430_ES2,	/* OMAP4430 ES2.0, 2.1, 2.2 */
313 	OMAPDSS_VER_OMAP4,		/* All other OMAP4s */
314 	OMAPDSS_VER_OMAP5,
315 	OMAPDSS_VER_AM43xx,
316 	OMAPDSS_VER_DRA7xx,
317 };
318 
319 /* Board specific data */
320 struct omap_dss_board_info {
321 	int num_devices;
322 	struct omap_dss_device **devices;
323 	struct omap_dss_device *default_device;
324 	const char *default_display_name;
325 	int (*dsi_enable_pads)(int dsi_id, unsigned lane_mask);
326 	void (*dsi_disable_pads)(int dsi_id, unsigned lane_mask);
327 	int (*set_min_bus_tput)(struct device *dev, unsigned long r);
328 	enum omapdss_version version;
329 };
330 
331 /* Init with the board info */
332 extern int omap_display_init(struct omap_dss_board_info *board_data);
333 /* HDMI mux init*/
334 extern int omap_hdmi_init(enum omap_hdmi_flags flags);
335 
336 struct omap_video_timings {
337 	/* Unit: pixels */
338 	u16 x_res;
339 	/* Unit: pixels */
340 	u16 y_res;
341 	/* Unit: Hz */
342 	u32 pixelclock;
343 	/* Unit: pixel clocks */
344 	u16 hsw;	/* Horizontal synchronization pulse width */
345 	/* Unit: pixel clocks */
346 	u16 hfp;	/* Horizontal front porch */
347 	/* Unit: pixel clocks */
348 	u16 hbp;	/* Horizontal back porch */
349 	/* Unit: line clocks */
350 	u16 vsw;	/* Vertical synchronization pulse width */
351 	/* Unit: line clocks */
352 	u16 vfp;	/* Vertical front porch */
353 	/* Unit: line clocks */
354 	u16 vbp;	/* Vertical back porch */
355 
356 	/* Vsync logic level */
357 	enum omap_dss_signal_level vsync_level;
358 	/* Hsync logic level */
359 	enum omap_dss_signal_level hsync_level;
360 	/* Interlaced or Progressive timings */
361 	bool interlace;
362 	/* Pixel clock edge to drive LCD data */
363 	enum omap_dss_signal_edge data_pclk_edge;
364 	/* Data enable logic level */
365 	enum omap_dss_signal_level de_level;
366 	/* Pixel clock edges to drive HSYNC and VSYNC signals */
367 	enum omap_dss_signal_edge sync_pclk_edge;
368 };
369 
370 #ifdef CONFIG_OMAP2_DSS_VENC
371 /* Hardcoded timings for tv modes. Venc only uses these to
372  * identify the mode, and does not actually use the configs
373  * itself. However, the configs should be something that
374  * a normal monitor can also show */
375 extern const struct omap_video_timings omap_dss_pal_timings;
376 extern const struct omap_video_timings omap_dss_ntsc_timings;
377 #endif
378 
379 struct omap_dss_cpr_coefs {
380 	s16 rr, rg, rb;
381 	s16 gr, gg, gb;
382 	s16 br, bg, bb;
383 };
384 
385 struct omap_overlay_info {
386 	dma_addr_t paddr;
387 	dma_addr_t p_uv_addr;  /* for NV12 format */
388 	u16 screen_width;
389 	u16 width;
390 	u16 height;
391 	enum omap_color_mode color_mode;
392 	u8 rotation;
393 	enum omap_dss_rotation_type rotation_type;
394 	bool mirror;
395 
396 	u16 pos_x;
397 	u16 pos_y;
398 	u16 out_width;	/* if 0, out_width == width */
399 	u16 out_height;	/* if 0, out_height == height */
400 	u8 global_alpha;
401 	u8 pre_mult_alpha;
402 	u8 zorder;
403 };
404 
405 struct omap_overlay {
406 	struct kobject kobj;
407 	struct list_head list;
408 
409 	/* static fields */
410 	const char *name;
411 	enum omap_plane id;
412 	enum omap_color_mode supported_modes;
413 	enum omap_overlay_caps caps;
414 
415 	/* dynamic fields */
416 	struct omap_overlay_manager *manager;
417 
418 	/*
419 	 * The following functions do not block:
420 	 *
421 	 * is_enabled
422 	 * set_overlay_info
423 	 * get_overlay_info
424 	 *
425 	 * The rest of the functions may block and cannot be called from
426 	 * interrupt context
427 	 */
428 
429 	int (*enable)(struct omap_overlay *ovl);
430 	int (*disable)(struct omap_overlay *ovl);
431 	bool (*is_enabled)(struct omap_overlay *ovl);
432 
433 	int (*set_manager)(struct omap_overlay *ovl,
434 		struct omap_overlay_manager *mgr);
435 	int (*unset_manager)(struct omap_overlay *ovl);
436 
437 	int (*set_overlay_info)(struct omap_overlay *ovl,
438 			struct omap_overlay_info *info);
439 	void (*get_overlay_info)(struct omap_overlay *ovl,
440 			struct omap_overlay_info *info);
441 
442 	int (*wait_for_go)(struct omap_overlay *ovl);
443 
444 	struct omap_dss_device *(*get_device)(struct omap_overlay *ovl);
445 };
446 
447 struct omap_overlay_manager_info {
448 	u32 default_color;
449 
450 	enum omap_dss_trans_key_type trans_key_type;
451 	u32 trans_key;
452 	bool trans_enabled;
453 
454 	bool partial_alpha_enabled;
455 
456 	bool cpr_enable;
457 	struct omap_dss_cpr_coefs cpr_coefs;
458 };
459 
460 struct omap_overlay_manager {
461 	struct kobject kobj;
462 
463 	/* static fields */
464 	const char *name;
465 	enum omap_channel id;
466 	enum omap_overlay_manager_caps caps;
467 	struct list_head overlays;
468 	enum omap_display_type supported_displays;
469 	enum omap_dss_output_id supported_outputs;
470 
471 	/* dynamic fields */
472 	struct omap_dss_device *output;
473 
474 	/*
475 	 * The following functions do not block:
476 	 *
477 	 * set_manager_info
478 	 * get_manager_info
479 	 * apply
480 	 *
481 	 * The rest of the functions may block and cannot be called from
482 	 * interrupt context
483 	 */
484 
485 	int (*set_output)(struct omap_overlay_manager *mgr,
486 		struct omap_dss_device *output);
487 	int (*unset_output)(struct omap_overlay_manager *mgr);
488 
489 	int (*set_manager_info)(struct omap_overlay_manager *mgr,
490 			struct omap_overlay_manager_info *info);
491 	void (*get_manager_info)(struct omap_overlay_manager *mgr,
492 			struct omap_overlay_manager_info *info);
493 
494 	int (*apply)(struct omap_overlay_manager *mgr);
495 	int (*wait_for_go)(struct omap_overlay_manager *mgr);
496 	int (*wait_for_vsync)(struct omap_overlay_manager *mgr);
497 
498 	struct omap_dss_device *(*get_device)(struct omap_overlay_manager *mgr);
499 };
500 
501 /* 22 pins means 1 clk lane and 10 data lanes */
502 #define OMAP_DSS_MAX_DSI_PINS 22
503 
504 struct omap_dsi_pin_config {
505 	int num_pins;
506 	/*
507 	 * pin numbers in the following order:
508 	 * clk+, clk-
509 	 * data1+, data1-
510 	 * data2+, data2-
511 	 * ...
512 	 */
513 	int pins[OMAP_DSS_MAX_DSI_PINS];
514 };
515 
516 struct omap_dss_writeback_info {
517 	u32 paddr;
518 	u32 p_uv_addr;
519 	u16 buf_width;
520 	u16 width;
521 	u16 height;
522 	enum omap_color_mode color_mode;
523 	u8 rotation;
524 	enum omap_dss_rotation_type rotation_type;
525 	bool mirror;
526 	u8 pre_mult_alpha;
527 };
528 
529 struct omapdss_dpi_ops {
530 	int (*connect)(struct omap_dss_device *dssdev,
531 			struct omap_dss_device *dst);
532 	void (*disconnect)(struct omap_dss_device *dssdev,
533 			struct omap_dss_device *dst);
534 
535 	int (*enable)(struct omap_dss_device *dssdev);
536 	void (*disable)(struct omap_dss_device *dssdev);
537 
538 	int (*check_timings)(struct omap_dss_device *dssdev,
539 			struct omap_video_timings *timings);
540 	void (*set_timings)(struct omap_dss_device *dssdev,
541 			struct omap_video_timings *timings);
542 	void (*get_timings)(struct omap_dss_device *dssdev,
543 			struct omap_video_timings *timings);
544 
545 	void (*set_data_lines)(struct omap_dss_device *dssdev, int data_lines);
546 };
547 
548 struct omapdss_sdi_ops {
549 	int (*connect)(struct omap_dss_device *dssdev,
550 			struct omap_dss_device *dst);
551 	void (*disconnect)(struct omap_dss_device *dssdev,
552 			struct omap_dss_device *dst);
553 
554 	int (*enable)(struct omap_dss_device *dssdev);
555 	void (*disable)(struct omap_dss_device *dssdev);
556 
557 	int (*check_timings)(struct omap_dss_device *dssdev,
558 			struct omap_video_timings *timings);
559 	void (*set_timings)(struct omap_dss_device *dssdev,
560 			struct omap_video_timings *timings);
561 	void (*get_timings)(struct omap_dss_device *dssdev,
562 			struct omap_video_timings *timings);
563 
564 	void (*set_datapairs)(struct omap_dss_device *dssdev, int datapairs);
565 };
566 
567 struct omapdss_dvi_ops {
568 	int (*connect)(struct omap_dss_device *dssdev,
569 			struct omap_dss_device *dst);
570 	void (*disconnect)(struct omap_dss_device *dssdev,
571 			struct omap_dss_device *dst);
572 
573 	int (*enable)(struct omap_dss_device *dssdev);
574 	void (*disable)(struct omap_dss_device *dssdev);
575 
576 	int (*check_timings)(struct omap_dss_device *dssdev,
577 			struct omap_video_timings *timings);
578 	void (*set_timings)(struct omap_dss_device *dssdev,
579 			struct omap_video_timings *timings);
580 	void (*get_timings)(struct omap_dss_device *dssdev,
581 			struct omap_video_timings *timings);
582 };
583 
584 struct omapdss_atv_ops {
585 	int (*connect)(struct omap_dss_device *dssdev,
586 			struct omap_dss_device *dst);
587 	void (*disconnect)(struct omap_dss_device *dssdev,
588 			struct omap_dss_device *dst);
589 
590 	int (*enable)(struct omap_dss_device *dssdev);
591 	void (*disable)(struct omap_dss_device *dssdev);
592 
593 	int (*check_timings)(struct omap_dss_device *dssdev,
594 			struct omap_video_timings *timings);
595 	void (*set_timings)(struct omap_dss_device *dssdev,
596 			struct omap_video_timings *timings);
597 	void (*get_timings)(struct omap_dss_device *dssdev,
598 			struct omap_video_timings *timings);
599 
600 	void (*set_type)(struct omap_dss_device *dssdev,
601 		enum omap_dss_venc_type type);
602 	void (*invert_vid_out_polarity)(struct omap_dss_device *dssdev,
603 		bool invert_polarity);
604 
605 	int (*set_wss)(struct omap_dss_device *dssdev, u32 wss);
606 	u32 (*get_wss)(struct omap_dss_device *dssdev);
607 };
608 
609 struct omapdss_hdmi_ops {
610 	int (*connect)(struct omap_dss_device *dssdev,
611 			struct omap_dss_device *dst);
612 	void (*disconnect)(struct omap_dss_device *dssdev,
613 			struct omap_dss_device *dst);
614 
615 	int (*enable)(struct omap_dss_device *dssdev);
616 	void (*disable)(struct omap_dss_device *dssdev);
617 
618 	int (*check_timings)(struct omap_dss_device *dssdev,
619 			struct omap_video_timings *timings);
620 	void (*set_timings)(struct omap_dss_device *dssdev,
621 			struct omap_video_timings *timings);
622 	void (*get_timings)(struct omap_dss_device *dssdev,
623 			struct omap_video_timings *timings);
624 
625 	int (*read_edid)(struct omap_dss_device *dssdev, u8 *buf, int len);
626 	bool (*detect)(struct omap_dss_device *dssdev);
627 
628 	int (*set_hdmi_mode)(struct omap_dss_device *dssdev, bool hdmi_mode);
629 	int (*set_infoframe)(struct omap_dss_device *dssdev,
630 		const struct hdmi_avi_infoframe *avi);
631 };
632 
633 struct omapdss_dsi_ops {
634 	int (*connect)(struct omap_dss_device *dssdev,
635 			struct omap_dss_device *dst);
636 	void (*disconnect)(struct omap_dss_device *dssdev,
637 			struct omap_dss_device *dst);
638 
639 	int (*enable)(struct omap_dss_device *dssdev);
640 	void (*disable)(struct omap_dss_device *dssdev, bool disconnect_lanes,
641 			bool enter_ulps);
642 
643 	/* bus configuration */
644 	int (*set_config)(struct omap_dss_device *dssdev,
645 			const struct omap_dss_dsi_config *cfg);
646 	int (*configure_pins)(struct omap_dss_device *dssdev,
647 			const struct omap_dsi_pin_config *pin_cfg);
648 
649 	void (*enable_hs)(struct omap_dss_device *dssdev, int channel,
650 			bool enable);
651 	int (*enable_te)(struct omap_dss_device *dssdev, bool enable);
652 
653 	int (*update)(struct omap_dss_device *dssdev, int channel,
654 			void (*callback)(int, void *), void *data);
655 
656 	void (*bus_lock)(struct omap_dss_device *dssdev);
657 	void (*bus_unlock)(struct omap_dss_device *dssdev);
658 
659 	int (*enable_video_output)(struct omap_dss_device *dssdev, int channel);
660 	void (*disable_video_output)(struct omap_dss_device *dssdev,
661 			int channel);
662 
663 	int (*request_vc)(struct omap_dss_device *dssdev, int *channel);
664 	int (*set_vc_id)(struct omap_dss_device *dssdev, int channel,
665 			int vc_id);
666 	void (*release_vc)(struct omap_dss_device *dssdev, int channel);
667 
668 	/* data transfer */
669 	int (*dcs_write)(struct omap_dss_device *dssdev, int channel,
670 			u8 *data, int len);
671 	int (*dcs_write_nosync)(struct omap_dss_device *dssdev, int channel,
672 			u8 *data, int len);
673 	int (*dcs_read)(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd,
674 			u8 *data, int len);
675 
676 	int (*gen_write)(struct omap_dss_device *dssdev, int channel,
677 			u8 *data, int len);
678 	int (*gen_write_nosync)(struct omap_dss_device *dssdev, int channel,
679 			u8 *data, int len);
680 	int (*gen_read)(struct omap_dss_device *dssdev, int channel,
681 			u8 *reqdata, int reqlen,
682 			u8 *data, int len);
683 
684 	int (*bta_sync)(struct omap_dss_device *dssdev, int channel);
685 
686 	int (*set_max_rx_packet_size)(struct omap_dss_device *dssdev,
687 			int channel, u16 plen);
688 };
689 
690 struct omap_dss_device {
691 	struct kobject kobj;
692 	struct device *dev;
693 
694 	struct module *owner;
695 
696 	struct list_head panel_list;
697 
698 	/* alias in the form of "display%d" */
699 	char alias[16];
700 
701 	enum omap_display_type type;
702 	enum omap_display_type output_type;
703 
704 	union {
705 		struct {
706 			u8 data_lines;
707 		} dpi;
708 
709 		struct {
710 			u8 channel;
711 			u8 data_lines;
712 		} rfbi;
713 
714 		struct {
715 			u8 datapairs;
716 		} sdi;
717 
718 		struct {
719 			int module;
720 		} dsi;
721 
722 		struct {
723 			enum omap_dss_venc_type type;
724 			bool invert_polarity;
725 		} venc;
726 	} phy;
727 
728 	struct {
729 		struct omap_video_timings timings;
730 
731 		enum omap_dss_dsi_pixel_format dsi_pix_fmt;
732 		enum omap_dss_dsi_mode dsi_mode;
733 	} panel;
734 
735 	struct {
736 		u8 pixel_size;
737 		struct rfbi_timings rfbi_timings;
738 	} ctrl;
739 
740 	const char *name;
741 
742 	/* used to match device to driver */
743 	const char *driver_name;
744 
745 	void *data;
746 
747 	struct omap_dss_driver *driver;
748 
749 	union {
750 		const struct omapdss_dpi_ops *dpi;
751 		const struct omapdss_sdi_ops *sdi;
752 		const struct omapdss_dvi_ops *dvi;
753 		const struct omapdss_hdmi_ops *hdmi;
754 		const struct omapdss_atv_ops *atv;
755 		const struct omapdss_dsi_ops *dsi;
756 	} ops;
757 
758 	/* helper variable for driver suspend/resume */
759 	bool activate_after_resume;
760 
761 	enum omap_display_caps caps;
762 
763 	struct omap_dss_device *src;
764 
765 	enum omap_dss_display_state state;
766 
767 	/* OMAP DSS output specific fields */
768 
769 	struct list_head list;
770 
771 	/* DISPC channel for this output */
772 	enum omap_channel dispc_channel;
773 
774 	/* output instance */
775 	enum omap_dss_output_id id;
776 
777 	/* the port number in the DT node */
778 	int port_num;
779 
780 	/* dynamic fields */
781 	struct omap_overlay_manager *manager;
782 
783 	struct omap_dss_device *dst;
784 };
785 
786 struct omap_dss_hdmi_data
787 {
788 	int ct_cp_hpd_gpio;
789 	int ls_oe_gpio;
790 	int hpd_gpio;
791 };
792 
793 struct omap_dss_driver {
794 	int (*probe)(struct omap_dss_device *);
795 	void (*remove)(struct omap_dss_device *);
796 
797 	int (*connect)(struct omap_dss_device *dssdev);
798 	void (*disconnect)(struct omap_dss_device *dssdev);
799 
800 	int (*enable)(struct omap_dss_device *display);
801 	void (*disable)(struct omap_dss_device *display);
802 	int (*run_test)(struct omap_dss_device *display, int test);
803 
804 	int (*update)(struct omap_dss_device *dssdev,
805 			       u16 x, u16 y, u16 w, u16 h);
806 	int (*sync)(struct omap_dss_device *dssdev);
807 
808 	int (*enable_te)(struct omap_dss_device *dssdev, bool enable);
809 	int (*get_te)(struct omap_dss_device *dssdev);
810 
811 	u8 (*get_rotate)(struct omap_dss_device *dssdev);
812 	int (*set_rotate)(struct omap_dss_device *dssdev, u8 rotate);
813 
814 	bool (*get_mirror)(struct omap_dss_device *dssdev);
815 	int (*set_mirror)(struct omap_dss_device *dssdev, bool enable);
816 
817 	int (*memory_read)(struct omap_dss_device *dssdev,
818 			void *buf, size_t size,
819 			u16 x, u16 y, u16 w, u16 h);
820 
821 	void (*get_resolution)(struct omap_dss_device *dssdev,
822 			u16 *xres, u16 *yres);
823 	void (*get_dimensions)(struct omap_dss_device *dssdev,
824 			u32 *width, u32 *height);
825 	int (*get_recommended_bpp)(struct omap_dss_device *dssdev);
826 
827 	int (*check_timings)(struct omap_dss_device *dssdev,
828 			struct omap_video_timings *timings);
829 	void (*set_timings)(struct omap_dss_device *dssdev,
830 			struct omap_video_timings *timings);
831 	void (*get_timings)(struct omap_dss_device *dssdev,
832 			struct omap_video_timings *timings);
833 
834 	int (*set_wss)(struct omap_dss_device *dssdev, u32 wss);
835 	u32 (*get_wss)(struct omap_dss_device *dssdev);
836 
837 	int (*read_edid)(struct omap_dss_device *dssdev, u8 *buf, int len);
838 	bool (*detect)(struct omap_dss_device *dssdev);
839 
840 	int (*set_hdmi_mode)(struct omap_dss_device *dssdev, bool hdmi_mode);
841 	int (*set_hdmi_infoframe)(struct omap_dss_device *dssdev,
842 		const struct hdmi_avi_infoframe *avi);
843 };
844 
845 enum omapdss_version omapdss_get_version(void);
846 bool omapdss_is_initialized(void);
847 
848 int omap_dss_register_driver(struct omap_dss_driver *);
849 void omap_dss_unregister_driver(struct omap_dss_driver *);
850 
851 int omapdss_register_display(struct omap_dss_device *dssdev);
852 void omapdss_unregister_display(struct omap_dss_device *dssdev);
853 
854 struct omap_dss_device *omap_dss_get_device(struct omap_dss_device *dssdev);
855 void omap_dss_put_device(struct omap_dss_device *dssdev);
856 #define for_each_dss_dev(d) while ((d = omap_dss_get_next_device(d)) != NULL)
857 struct omap_dss_device *omap_dss_get_next_device(struct omap_dss_device *from);
858 struct omap_dss_device *omap_dss_find_device(void *data,
859 		int (*match)(struct omap_dss_device *dssdev, void *data));
860 const char *omapdss_get_default_display_name(void);
861 
862 void videomode_to_omap_video_timings(const struct videomode *vm,
863 		struct omap_video_timings *ovt);
864 void omap_video_timings_to_videomode(const struct omap_video_timings *ovt,
865 		struct videomode *vm);
866 
867 int dss_feat_get_num_mgrs(void);
868 int dss_feat_get_num_ovls(void);
869 enum omap_display_type dss_feat_get_supported_displays(enum omap_channel channel);
870 enum omap_dss_output_id dss_feat_get_supported_outputs(enum omap_channel channel);
871 enum omap_color_mode dss_feat_get_supported_color_modes(enum omap_plane plane);
872 
873 
874 
875 int omap_dss_get_num_overlay_managers(void);
876 struct omap_overlay_manager *omap_dss_get_overlay_manager(int num);
877 
878 int omap_dss_get_num_overlays(void);
879 struct omap_overlay *omap_dss_get_overlay(int num);
880 
881 int omapdss_register_output(struct omap_dss_device *output);
882 void omapdss_unregister_output(struct omap_dss_device *output);
883 struct omap_dss_device *omap_dss_get_output(enum omap_dss_output_id id);
884 struct omap_dss_device *omap_dss_find_output(const char *name);
885 struct omap_dss_device *omap_dss_find_output_by_port_node(struct device_node *port);
886 int omapdss_output_set_device(struct omap_dss_device *out,
887 		struct omap_dss_device *dssdev);
888 int omapdss_output_unset_device(struct omap_dss_device *out);
889 
890 struct omap_dss_device *omapdss_find_output_from_display(struct omap_dss_device *dssdev);
891 struct omap_overlay_manager *omapdss_find_mgr_from_display(struct omap_dss_device *dssdev);
892 
893 void omapdss_default_get_resolution(struct omap_dss_device *dssdev,
894 		u16 *xres, u16 *yres);
895 int omapdss_default_get_recommended_bpp(struct omap_dss_device *dssdev);
896 void omapdss_default_get_timings(struct omap_dss_device *dssdev,
897 		struct omap_video_timings *timings);
898 
899 typedef void (*omap_dispc_isr_t) (void *arg, u32 mask);
900 int omap_dispc_register_isr(omap_dispc_isr_t isr, void *arg, u32 mask);
901 int omap_dispc_unregister_isr(omap_dispc_isr_t isr, void *arg, u32 mask);
902 
903 u32 dispc_read_irqstatus(void);
904 void dispc_clear_irqstatus(u32 mask);
905 u32 dispc_read_irqenable(void);
906 void dispc_write_irqenable(u32 mask);
907 
908 int dispc_request_irq(irq_handler_t handler, void *dev_id);
909 void dispc_free_irq(void *dev_id);
910 
911 int dispc_runtime_get(void);
912 void dispc_runtime_put(void);
913 
914 void dispc_mgr_enable(enum omap_channel channel, bool enable);
915 bool dispc_mgr_is_enabled(enum omap_channel channel);
916 u32 dispc_mgr_get_vsync_irq(enum omap_channel channel);
917 u32 dispc_mgr_get_framedone_irq(enum omap_channel channel);
918 u32 dispc_mgr_get_sync_lost_irq(enum omap_channel channel);
919 bool dispc_mgr_go_busy(enum omap_channel channel);
920 void dispc_mgr_go(enum omap_channel channel);
921 void dispc_mgr_set_lcd_config(enum omap_channel channel,
922 		const struct dss_lcd_mgr_config *config);
923 void dispc_mgr_set_timings(enum omap_channel channel,
924 		const struct omap_video_timings *timings);
925 void dispc_mgr_setup(enum omap_channel channel,
926 		const struct omap_overlay_manager_info *info);
927 
928 int dispc_ovl_check(enum omap_plane plane, enum omap_channel channel,
929 		const struct omap_overlay_info *oi,
930 		const struct omap_video_timings *timings,
931 		int *x_predecim, int *y_predecim);
932 
933 int dispc_ovl_enable(enum omap_plane plane, bool enable);
934 bool dispc_ovl_enabled(enum omap_plane plane);
935 void dispc_ovl_set_channel_out(enum omap_plane plane,
936 		enum omap_channel channel);
937 int dispc_ovl_setup(enum omap_plane plane, const struct omap_overlay_info *oi,
938 		bool replication, const struct omap_video_timings *mgr_timings,
939 		bool mem_to_mem);
940 
941 int omapdss_compat_init(void);
942 void omapdss_compat_uninit(void);
943 
944 struct dss_mgr_ops {
945 	int (*connect)(struct omap_overlay_manager *mgr,
946 		struct omap_dss_device *dst);
947 	void (*disconnect)(struct omap_overlay_manager *mgr,
948 		struct omap_dss_device *dst);
949 
950 	void (*start_update)(struct omap_overlay_manager *mgr);
951 	int (*enable)(struct omap_overlay_manager *mgr);
952 	void (*disable)(struct omap_overlay_manager *mgr);
953 	void (*set_timings)(struct omap_overlay_manager *mgr,
954 			const struct omap_video_timings *timings);
955 	void (*set_lcd_config)(struct omap_overlay_manager *mgr,
956 			const struct dss_lcd_mgr_config *config);
957 	int (*register_framedone_handler)(struct omap_overlay_manager *mgr,
958 			void (*handler)(void *), void *data);
959 	void (*unregister_framedone_handler)(struct omap_overlay_manager *mgr,
960 			void (*handler)(void *), void *data);
961 };
962 
963 int dss_install_mgr_ops(const struct dss_mgr_ops *mgr_ops);
964 void dss_uninstall_mgr_ops(void);
965 
966 int dss_mgr_connect(struct omap_overlay_manager *mgr,
967 		struct omap_dss_device *dst);
968 void dss_mgr_disconnect(struct omap_overlay_manager *mgr,
969 		struct omap_dss_device *dst);
970 void dss_mgr_set_timings(struct omap_overlay_manager *mgr,
971 		const struct omap_video_timings *timings);
972 void dss_mgr_set_lcd_config(struct omap_overlay_manager *mgr,
973 		const struct dss_lcd_mgr_config *config);
974 int dss_mgr_enable(struct omap_overlay_manager *mgr);
975 void dss_mgr_disable(struct omap_overlay_manager *mgr);
976 void dss_mgr_start_update(struct omap_overlay_manager *mgr);
977 int dss_mgr_register_framedone_handler(struct omap_overlay_manager *mgr,
978 		void (*handler)(void *), void *data);
979 void dss_mgr_unregister_framedone_handler(struct omap_overlay_manager *mgr,
980 		void (*handler)(void *), void *data);
981 
omapdss_device_is_connected(struct omap_dss_device * dssdev)982 static inline bool omapdss_device_is_connected(struct omap_dss_device *dssdev)
983 {
984 	return dssdev->src;
985 }
986 
omapdss_device_is_enabled(struct omap_dss_device * dssdev)987 static inline bool omapdss_device_is_enabled(struct omap_dss_device *dssdev)
988 {
989 	return dssdev->state == OMAP_DSS_DISPLAY_ACTIVE;
990 }
991 
992 struct device_node *
993 omapdss_of_get_next_port(const struct device_node *parent,
994 			 struct device_node *prev);
995 
996 struct device_node *
997 omapdss_of_get_next_endpoint(const struct device_node *parent,
998 			     struct device_node *prev);
999 
1000 struct device_node *
1001 omapdss_of_get_first_endpoint(const struct device_node *parent);
1002 
1003 struct omap_dss_device *
1004 omapdss_of_find_source_for_first_ep(struct device_node *node);
1005 
1006 #endif
1007